# Meaning of Physical symbols for Arunachal Pradesh PSC

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 Quantity Symbol SI unit Symbol for SI Unit Non-SI unit used Absorbed dose Gray Acceleration Metre per second squared Acc. due to gravity Metre per second squared Activity Becquerel Amount of substance Mole Amplitude Metre Angle Radian Angular velocity Radian per second Area Metre squared Atomic number Capacitance Farad concentration Mole per liter Critical angle density Kilogram per meter cubed Displacement Meter Dose equivalent Sievert Electric current Ampere Electric field strength Volt per metre Electronic charge Coulomb Energy (electrical) Joule Energy (heat) Joule Energy (kinetic) Joule Energy (potential) Joule Energy (food) Joule Enthalpy Joule Focal length Meter Frequency Hertz half- life Second Length (distance) Metre Magnetic flux Weber Magnetic flux density Tesla Magnification Mass Kilogram Mass number Molarity Mole per liter Moment of a force Newton metre Moment of inertia Kilogram metre squared Momentum Kilogram metre per second Permittivity ε Farad per metre Periodic time Second Power Watt Refractive index Resistance ohm Resistivity ohm meter Speed Meter per second Sound intensity Watt per meter squared Sound intensity level Specific heat capacity Joule per kilogram per kelvin Strain Stress Newton per meter squared Temperature Kelvin Temperature Newton Change in temperature Kelvin Tension Newton Thermal conductivity Watt per meter per kelvin Time Second Torque Newton metre Velocity Metre per second Voltagepotential difference Volt U-value Watt per meter squared per kelvin Volume Metre cubed Wavelength Meter Weight Newton Work Joule Young’s modulus Newton per metre squared